opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask if variable name exists.

        * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
        if variable name exists.

From-SVN: r99357

gcc/ChangeLog

@@ -17,6 +17,9 @@
 	(popcntb<mode>2): New.
 	* config/rs6000/rs6000.opt (mpopcntb): New.
 
+	* opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
+	if variable name exists.
+
 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
 
 	* Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.

gcc/opt-functions.awk

@@ -105,8 +105,13 @@ function var_set(flags)
 			return "CLVC_BIT_SET, MASK_" s
 	}
 	s = nth_arg(0, opt_args("InverseMask", flags));
-	if (s != "")
-		return "CLVC_BIT_CLEAR, MASK_" s
+	if (s != "") {
+		vn = var_name(flags);
+		if (vn)
+			return "CLVC_BIT_CLEAR, OPTION_MASK_" s
+			  else
+			return "CLVC_BIT_CLEAR, MASK_" s
+	}
 	return "CLVC_BOOLEAN, 0"
 }